Mercurial > jdk8-mips64-public > corba / file revision

 /*

  * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 /*

  * Licensed Materials - Property of IBM

  * RMI-IIOP v1.0

  * Copyright IBM Corp. 1998 1999  All Rights Reserved

  *

  */

 package sun.rmi.rmic.iiop;

 import sun.tools.java.ClassNotFound;

 import sun.tools.java.CompilerError;

 import sun.tools.java.Identifier;

 import sun.tools.java.ClassDeclaration;

 import sun.tools.java.ClassDefinition;

 /**

  * SpecialInterfaceType represents any one of the following types:

  * <pre>

  *    java.rmi.Remote

  *    java.io.Serializable

  *    java.io.Externalizable

  *    org.omg.CORBA.Object

  *    org.omg.CORBA.portable.IDLEntity

  * </pre>

  * all of which are treated as special cases. For all but CORBA.Object,

  * the type must match exactly. For CORBA.Object, the type must either be

  * CORBA.Object or inherit from it.

  * <p>

  * The static forSpecial(...) method must be used to obtain an instance, and

  * will return null if the type is non-conforming.

  *

  * @author  Bryan Atsatt

  */

 public class SpecialInterfaceType extends InterfaceType {

     //_____________________________________________________________________

     // Public Interfaces

     //_____________________________________________________________________

     /**

      * Create a SpecialInterfaceType object for the given class.

      *

      * If the class is not a properly formed or if some other error occurs, the

      * return value will be null, and errors will have been reported to the

      * supplied BatchEnvironment.

      */

     public static SpecialInterfaceType forSpecial ( ClassDefinition theClass,

                                                     ContextStack stack) {

         if (stack.anyErrors()) return null;

         // Do we already have it?

         sun.tools.java.Type type = theClass.getType();

         Type existing = getType(type,stack);

         if (existing != null) {

             if (!(existing instanceof SpecialInterfaceType)) return null; // False hit.

             // Yep, so return it...

             return (SpecialInterfaceType) existing;

         }

         // Is it special?

         if (isSpecial(type,theClass,stack)) {

             // Yes...

             SpecialInterfaceType result = new SpecialInterfaceType(stack,0,theClass);

             putType(type,result,stack);

             stack.push(result);

             if (result.initialize(type,stack)) {

                 stack.pop(true);

                 return result;

             } else {

                 removeType(type,stack);

                 stack.pop(false);

                 return null;

             }

         }

         return null;

     }

     /**

      * Return a string describing this type.

      */

     public String getTypeDescription () {

         return "Special interface";

     }

     //_____________________________________________________________________

     // Subclass/Internal Interfaces

     //_____________________________________________________________________

     /**

      * Create an SpecialInterfaceType instance for the given class.

      */

     private SpecialInterfaceType(ContextStack stack, int typeCode,

                                  ClassDefinition theClass) {

         super(stack,typeCode | TM_SPECIAL_INTERFACE | TM_INTERFACE | TM_COMPOUND, theClass);

         setNames(theClass.getName(),null,null); // Fixed in initialize.

     }

     private static boolean isSpecial(sun.tools.java.Type type,

                                      ClassDefinition theClass,

                                      ContextStack stack) {

         if (type.isType(TC_CLASS)) {

             Identifier id = type.getClassName();

             if (id.equals(idRemote)) return true;

             if (id == idJavaIoSerializable) return true;

             if (id == idJavaIoExternalizable) return true;

             if (id == idCorbaObject) return true;

             if (id == idIDLEntity) return true;

             BatchEnvironment env = stack.getEnv();

             try {

                 if (env.defCorbaObject.implementedBy(env,theClass.getClassDeclaration())) return true;

             } catch (ClassNotFound e) {

                 classNotFound(stack,e);

             }

         }

         return false;

     }

     private boolean initialize(sun.tools.java.Type type, ContextStack stack) {

         int typeCode = TYPE_NONE;

         Identifier id = null;

         String idlName = null;

         String[] idlModuleName = null;

         boolean constant = stack.size() > 0 && stack.getContext().isConstant();

         if (type.isType(TC_CLASS)) {

             id = type.getClassName();

             if (id.equals(idRemote)) {

                 typeCode = TYPE_JAVA_RMI_REMOTE;

                 idlName = IDL_JAVA_RMI_REMOTE;

                 idlModuleName = IDL_JAVA_RMI_MODULE;

             } else if (id == idJavaIoSerializable) {

                 typeCode = TYPE_ANY;

                 idlName = IDL_SERIALIZABLE;

                 idlModuleName = IDL_JAVA_IO_MODULE;

             } else if (id == idJavaIoExternalizable) {

                 typeCode = TYPE_ANY;

                 idlName = IDL_EXTERNALIZABLE;

                 idlModuleName = IDL_JAVA_IO_MODULE;

             } else if (id == idIDLEntity) {

                 typeCode = TYPE_ANY;

                 idlName = IDL_IDLENTITY;

                 idlModuleName = IDL_ORG_OMG_CORBA_PORTABLE_MODULE;

             } else {

                 typeCode = TYPE_CORBA_OBJECT;

                 // Is it exactly org.omg.CORBA.Object?

                 if (id == idCorbaObject) {

                     // Yes, so special case...

                     idlName = IDLNames.getTypeName(typeCode,constant);

                     idlModuleName = null;

                 } else {

                     // No, so get the correct names...

                     try {

                         // These can fail if we get case-sensitive name matches...

                         idlName = IDLNames.getClassOrInterfaceName(id,env);

                         idlModuleName = IDLNames.getModuleNames(id,isBoxed(),env);

                     } catch (Exception e) {

                         failedConstraint(7,false,stack,id.toString(),e.getMessage());

                         throw new CompilerError("");

                     }

                 }

             }

         }

         if (typeCode == TYPE_NONE) {

             return false;

         }

         // Reset type code...

         setTypeCode(typeCode | TM_SPECIAL_INTERFACE | TM_INTERFACE | TM_COMPOUND);

         // Set names

         if (idlName == null) {

             throw new CompilerError("Not a special type");

         }

         setNames(id,idlModuleName,idlName);

         // Initialize CompoundType...

         return initialize(null,null,null,stack,false);

     }

 }